【简答题】根据我国国徽法的规定,国徽及其图案不得用于( )。 A.商标 B.广告 C.日常生活的陈设布置 D.私人庆吊活动
【判断题】公寓用水时,长直管道内水的流动属于无旋流动。( )
【单选题】下列叙述中正确的是( )。
A.
恒压下DH = Q p 及DH = H 2 - H 1 。因为H 2 和H 1 均为状态函数,故Q p 也是状态函数
D.
在任何情况下,化学反应的热效应只与化学反应的始态和终态有关,而与反应的途 径无关
【简答题】Tom insisted what he said true and we insisted that he and have a look . A . be should go B . should be would go C . was go D . was would go
【单选题】下列叙述中正确的是
A.
恒压下△H=Qp及△H=H 2 -H 1 ,因为H 2 和H 1 ,均为状态函数,故Q p 也是状态函数
D.
在任何情况下,化学反应的热效应只与化学反应的始态和终态有关,而与反应的途径无关
【单选题】下列叙述中正确的是( )。
A.
恒压下ΔH=Q p 及ΔH=H 2 -H 1 。因为H 2 和H 1 均为状态函数,故Qp也为状态函数。
D.
在任何情况下,化学反应的热效应只与化学反应的始态和终态有关,而与反应的途径无关
【判断题】化学反应的定压热与途径无关,故其为状态函数。
【单选题】'They said what we always knew,' said an administration source, ______.
A.
he asked not to be named
B.
who asked not to be named
C.
who asked not be named
【单选题】Tom insisted what he said true and we insisted that he and have a look .
B.
should be would go C . was go D . was would go